<template>
    <div class="app-container">
        <el-row :gutter="20">
            <el-col :span="4" :xs="24">
                <div class="head-container">
                    <el-input v-model="catalogName" placeholder="请输入栏目名称" clearable size="small" prefix-icon="el-icon-search" style="margin-bottom: 20px"/>
                </div>
                <div class="head-container">
                    <el-tree :data="catalogOptions" :props="defaultProps" :expand-on-click-node="false" :filter-node-method="filterNode" ref="tree" default-expand-all highlight-current @node-click="handleNodeClick"/>
                </div>
            </el-col>



            <el-col :span="20" :xs="24">
                <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch"
                         label-width="68px">
                    <el-form-item label="标题" prop="title">
                        <el-input v-model="queryParams.title" placeholder="请输入标题" clearable
                                  @keyup.enter.native="handleQuery"/>
                    </el-form-item>
                    <el-form-item label="是否显示" prop="visible">
                        <el-select v-model="queryParams.visible" placeholder="请选择是否显示" clearable>
                            <el-option v-for="dict in dict.type.sys_yes_no" :key="dict.value" :label="dict.label"
                                       :value="dict.value"/>
                        </el-select>
                    </el-form-item>
                    <el-form-item>
                        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
                        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
                    </el-form-item>
                </el-form>


                <TableCard>
                    <el-row :gutter="10" class="mb8">
                        <el-col :span="1.5">
                            <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
                                       v-hasPermi="['cms:content:add']">新增
                            </el-button>
                        </el-col>
                        <el-col :span="1.5">
                            <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate"
                                       v-hasPermi="['cms:content:edit']">修改
                            </el-button>
                        </el-col>
                        <el-col :span="1.5">
                            <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple"
                                       @click="handleDelete" v-hasPermi="['cms:content:remove']">删除
                            </el-button>
                        </el-col>
                        <el-col :span="1.5">
                            <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport"
                                       v-hasPermi="['cms:content:export']">导出
                            </el-button>
                        </el-col>
                        <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
                    </el-row>

                    <el-table  :border="Global.tableShowBorder" v-loading="loading" :data="contentList" @selection-change="handleSelectionChange">
                        <el-table-column type="selection" width="55" align="center"/>
                        <el-table-column label="封面" align="center" prop="cover" width="200">
                            <template slot-scope="scope">
                                <image-preview v-if="scope.row.cover" :src="scope.row.cover" :width="50" :height="50"/>
                            </template>
                        </el-table-column>
                        <el-table-column label="标题" align="center" prop="title"/>
                        <el-table-column label="是否显示" align="center" prop="visible" width="200">
                            <template slot-scope="scope">
                                <dict-tag :options="dict.type.sys_yes_no" :value="scope.row.visible"/>
                            </template>
                        </el-table-column>
                        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
                            <template slot-scope="scope">
                                <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
                                           v-hasPermi="['cms:content:edit']">修改
                                </el-button>
                                <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
                                           v-hasPermi="['cms:content:remove']">删除
                                </el-button>
                            </template>
                        </el-table-column>
                    </el-table>

                    <pagination v-show="total>0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
                                @pagination="getList"/>
                </TableCard>

            </el-col>


        </el-row>










        <!-- 添加或修改内容管理对话框 -->
        <el-dialog :title="title" :visible.sync="open" width="1500px" append-to-body>
            <el-form ref="form" :model="form" :rules="rules" label-width="120px">
                <el-form-item label="归属栏目" prop="catalogId">
                    <treeselect v-model="form.catalogId" :options="catalogOptions" :show-count="true" placeholder="请选择归属栏目" />
                </el-form-item>
                <el-form-item label="标题" prop="title">
                    <el-input v-model="form.title" placeholder="请输入标题"/>
                </el-form-item>
                <el-form-item label="封面">
                    <image-upload v-model="form.cover"/>
                </el-form-item>
                <el-form-item label="内容">
                    <editor v-model="form.content" :min-height="500"/>
                </el-form-item>
                <el-form-item label="是否显示">
                    <el-radio-group v-model="form.visible">
                        <el-radio v-for="dict in dict.type.sys_yes_no" :key="dict.value" :label="dict.value">
                            {{ dict.label }}
                        </el-radio>
                    </el-radio-group>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button type="primary" @click="submitForm">确 定</el-button>
                <el-button @click="cancel">取 消</el-button>
            </div>
        </el-dialog>
    </div>
</template>

<script>
import {listContent, getContent, delContent, addContent, updateContent} from "@/api/cms/content";
import {treeselect} from "@/api/cms/catalog";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
export default {
    name: "Content",
    dicts: ['sys_yes_no'],
    components: { Treeselect },
    data() {
        return {
            // 遮罩层
            loading: true,
            // 选中数组
            ids: [],
            // 非单个禁用
            single: true,
            // 非多个禁用
            multiple: true,
            // 显示搜索条件
            showSearch: true,
            // 总条数
            total: 0,
            // 内容管理表格数据
            contentList: [],
            // 弹出层标题
            title: "",
            // 是否显示弹出层
            open: false,
            // 查询参数
            queryParams: {
                pageNum: 1,
                pageSize: 20,
                title: null,
                content: null,
                visible: null,
                cover: null
            },
            // 表单参数
            form: {},
            // 表单校验
            rules: {},
            //栏目名称
            catalogName:"",

            // 栏目树选项
            catalogOptions: [],
            // 默认
            defaultProps: {
                children: "children",
                label: "label"
            },
        };
    },
    created() {
        this.getList();
        this.getTreeselect();
    },
    methods: {
        /** 查询内容管理列表 */
        getList() {
            this.loading = true;
            listContent(this.queryParams).then(response => {
                this.contentList = response.rows;
                this.total = response.total;
                this.loading = false;
            });
        },
        // 取消按钮
        cancel() {
            this.open = false;
            this.reset();
        },
        // 表单重置
        reset() {
            this.form = {
                id: null,
                title: null,
                content: null,
                createTime: null,
                updateTime: null,
                visible: "0",
                cover: null
            };
            this.resetForm("form");
        },
        /** 搜索按钮操作 */
        handleQuery() {
            this.queryParams.pageNum = 1;
            this.getList();
        },
        /** 重置按钮操作 */
        resetQuery() {
            this.resetForm("queryForm");
            this.handleQuery();
        },
        // 多选框选中数据
        handleSelectionChange(selection) {
            this.ids = selection.map(item => item.id)
            this.single = selection.length !== 1
            this.multiple = !selection.length
        },
        /** 新增按钮操作 */
        handleAdd() {
            this.reset();
            this.getTreeselect();
            this.open = true;
            this.title = "添加内容管理";
        },
        /** 修改按钮操作 */
        handleUpdate(row) {
            this.reset();
            this.getTreeselect();
            const id = row.id || this.ids
            getContent(id).then(response => {
                this.form = response.data;
                this.open = true;
                this.title = "修改内容管理";
            });
        },
        /** 提交按钮 */
        submitForm() {
            this.$refs["form"].validate(valid => {
                if (valid) {
                    if (this.form.id != null) {
                        updateContent(this.form).then(response => {
                            this.$modal.msgSuccess("修改成功");
                            this.open = false;
                            this.getList();
                        });
                    } else {
                        addContent(this.form).then(response => {
                            this.$modal.msgSuccess("新增成功");
                            this.open = false;
                            this.getList();
                        });
                    }
                }
            });
        },
        /** 删除按钮操作 */
        handleDelete(row) {
            const ids = row.id || this.ids;
            this.$modal.confirm('是否确认删除内容管理编号为"' + ids + '"的数据项？').then(function () {
                return delContent(ids);
            }).then(() => {
                this.getList();
                this.$modal.msgSuccess("删除成功");
            }).catch(() => {
            });
        },
        /** 导出按钮操作 */
        handleExport() {
            this.download('cms/content/export', {
                ...this.queryParams
            }, `content_${new Date().getTime()}.xlsx`)
        },




        // 筛选节点
        filterNode(value, data) {
            if (!value) return true;
            return data.label.indexOf(value) !== -1;
        },
        // 节点单击事件
        handleNodeClick(data) {
            this.queryParams.catalogId = data.id;
            this.handleQuery();
        },
        getTreeselect() {
            treeselect().then(response => {
                this.catalogOptions = response.data;
            });
        },
    }
};
</script>
